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File name:

Calculation-677482170-10162020.zip

Full analysis: https://app.any.run/tasks/edb5c59a-b988-4bc4-be29-eea0f33c1a44
Verdict: Malicious activity
Threats:

A loader is malicious software that infiltrates devices to deliver malicious payloads. This malware is capable of infecting victims’ computers, analyzing their system information, and installing other types of threats, such as trojans or stealers. Criminals usually deliver loaders through phishing emails and links by relying on social engineering to trick users into downloading and running their executables. Loaders employ advanced evasion and persistence tactics to avoid detection.

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Analysis date: October 20, 2020, 01:18:21
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
trojan
loader
qbot
maldoc-42
Indicators:
MIME: application/zip
File info: Zip archive data, at least v2.0 to extract
MD5:

8D637B24C08DF6CEE9CC9EA65EAA1CE7

SHA1:

5DC292CB50E6CB9B681F61FEF43C6CC29C8B933F

SHA256:

D8BA97AA6C4412CA70CEB84A3CBDFB8202AAF5188F8C4CA5326AB63D7B36A2D8

SSDEEP:

384:8Fm1xmM/CLFbR2CJpdqEzjzblzydQ6tPBYYrEqy9tcwiDCkHFO6t+UCl0SETeVp:+QxL2bk6dq8lmFPBYYrS9tcX5oYW9ETI

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

  • MALICIOUS

    • Executable content was dropped or overwritten

      • EXCEL.EXE (PID: 2064)

    • Unusual execution from Microsoft Office

      • EXCEL.EXE (PID: 2064)

    • Application was dropped or rewritten from another process

      • nosto.exe (PID: 3196)
      • nosto.exe (PID: 2436)
      • ytfovlym.exe (PID: 932)
      • ytfovlym.exe (PID: 3980)

    • Downloads executable files with a strange extension

      • EXCEL.EXE (PID: 2064)

    • QBOT was detected

      • nosto.exe (PID: 3196)

    • Requests a remote executable file from MS Office

      • EXCEL.EXE (PID: 2064)

    • Runs PING.EXE for delay simulation

      • cmd.exe (PID: 2252)

  • SUSPICIOUS

    • Starts Microsoft Office Application

      • WinRAR.exe (PID: 2472)

    • Application launched itself

      • nosto.exe (PID: 3196)
      • ytfovlym.exe (PID: 932)

    • Creates files in the user directory

      • nosto.exe (PID: 3196)

    • Starts itself from another location

      • nosto.exe (PID: 3196)

    • Starts CMD.EXE for commands execution

      • nosto.exe (PID: 3196)

    • Executable content was dropped or overwritten

      • nosto.exe (PID: 3196)
      • cmd.exe (PID: 2252)

  • INFO

    • Reads Microsoft Office registry keys

      • EXCEL.EXE (PID: 2064)

    • Reads Internet Cache Settings

      • EXCEL.EXE (PID: 2064)

    • Dropped object may contain Bitcoin addresses

      • cmd.exe (PID: 2252)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.zip | ZIP compressed archive (100)

EXIF

ZIP

ZipRequiredVersion: 20
ZipBitFlag: -
ZipCompression: Deflated
ZipModifyDate: 2020:10:19 16:22:02
ZipCRC: 0xf5a52899
ZipCompressedSize: 21413
ZipUncompressedSize: 26674
ZipFileName: Calculation-677482170-10162020.xlsb
No data.
screenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
46
Monitored processes
9
Malicious processes
3
Suspicious processes
1

Behavior graph

Click at the process to see the details
start drop and start drop and start drop and start winrar.exe no specs excel.exe #QBOT nosto.exe nosto.exe no specs ytfovlym.exe no specs cmd.exe ping.exe no specs ytfovlym.exe no specs explorer.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2472"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\Calculation-677482170-10162020.zip"C:\Program Files\WinRAR\WinRAR.exe—explorer.exe
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR archiver
Version:
5.60.0
2064"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /ddeC:\Program Files\Microsoft Office\Office14\EXCEL.EXE
WinRAR.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Excel
Version:
14.0.6024.1000
3196"C:\Hromo\Nivadalo\nosto.exe" C:\Hromo\Nivadalo\nosto.exe
EXCEL.EXE
User:
admin
Company:
QIHU 360 SOFTWARE CO. LIMITED
Integrity Level:
MEDIUM
Description:
360 SystemRegistryClean
Exit code:
0
Version:
1, 0, 0, 1003
2436C:\Hromo\Nivadalo\nosto.exe /CC:\Hromo\Nivadalo\nosto.exe—nosto.exe
User:
admin
Company:
QIHU 360 SOFTWARE CO. LIMITED
Integrity Level:
MEDIUM
Description:
360 SystemRegistryClean
Exit code:
0
Version:
1, 0, 0, 1003
932C:\Users\admin\AppData\Roaming\Microsoft\Zulycjadyc\ytfovlym.exeC:\Users\admin\AppData\Roaming\Microsoft\Zulycjadyc\ytfovlym.exe—nosto.exe
User:
admin
Company:
QIHU 360 SOFTWARE CO. LIMITED
Integrity Level:
MEDIUM
Description:
360 SystemRegistryClean
Exit code:
0
Version:
1, 0, 0, 1003
2252"C:\Windows\System32\cmd.exe" /c ping.exe -n 6 127.0.0.1 & type "C:\Windows\System32\calc.exe" > "C:\Hromo\Nivadalo\nosto.exe"C:\Windows\System32\cmd.exe
nosto.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
0
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
3764ping.exe -n 6 127.0.0.1 C:\Windows\system32\PING.EXE—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
TCP/IP Ping Command
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
3980C:\Users\admin\AppData\Roaming\Microsoft\Zulycjadyc\ytfovlym.exe /CC:\Users\admin\AppData\Roaming\Microsoft\Zulycjadyc\ytfovlym.exe—ytfovlym.exe
User:
admin
Company:
QIHU 360 SOFTWARE CO. LIMITED
Integrity Level:
MEDIUM
Description:
360 SystemRegistryClean
Exit code:
0
Version:
1, 0, 0, 1003
1652C:\Windows\explorer.exeC:\Windows\explorer.exe—ytfovlym.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Total events
1 145
Read events
1 079
Write events
0
Delete events
0

Modification events

No data
Executable files
4
Suspicious files
4
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
2064EXCEL.EXEC:\Users\admin\AppData\Local\Temp\CVR571D.tmp.cvr —
MD5:—
SHA256:—
2064EXCEL.EXEC:\Hromo\Nivadalo\nosto.exeexecutable
MD5:0EFD0E4D07216F3231DE0DABF3B0308A
SHA256:BD2CC4EA48CF15DB25B850200AFCA7E60D2AA989FB0164DD96BC0EF1B2C69B49
2472WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DIa2472.5207\Calculation-677482170-10162020.xlsbdocument
MD5:876D77E5CB8023481C70743F7296C826
SHA256:F3EDFE9CD4B01B18DD437D0DF633B3324499224093084A33B1D370DA78AA5477
1652explorer.exeC:\Users\admin\AppData\Roaming\Microsoft\Zulycjadyc\ytfovlym.datbinary
MD5:0ACC20ADD4925E5F880910B37E6A2834
SHA256:CAEF17C84EFF81C35AD9C2EDA2A74510CAC3748EFA03F9D8DC3F583574D89C68
3196nosto.exeC:\Users\admin\AppData\Roaming\Microsoft\Zulycjadyc\ytfovlym.exeexecutable
MD5:0EFD0E4D07216F3231DE0DABF3B0308A
SHA256:BD2CC4EA48CF15DB25B850200AFCA7E60D2AA989FB0164DD96BC0EF1B2C69B49
2064EXCEL.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\6Z2BCOUL\3415201[1].pngexecutable
MD5:0EFD0E4D07216F3231DE0DABF3B0308A
SHA256:BD2CC4EA48CF15DB25B850200AFCA7E60D2AA989FB0164DD96BC0EF1B2C69B49
3196nosto.exeC:\Users\admin\AppData\Roaming\Microsoft\Zulycjadyc\ytfovlym.datbinary
MD5:83ADE55351CAB1D33854109442BD08A5
SHA256:99121515FC4D7DBCF333C4D707C6721DD6E2C195765DFA3827660968CC652354
2252cmd.exeC:\Hromo\Nivadalo\nosto.exeexecutable
MD5:60B7C0FEAD45F2066E5B805A91F4F0FC
SHA256:80C10EE5F21F92F89CBC293A59D2FD4C01C7958AACAD15642558DB700943FA22
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
1
DNS requests
1
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2064
EXCEL.EXE
GET
200
192.185.91.48:80
http://citycarmen.com/lvhyf/3415201.png
US
executable
222 Kb
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
2064
EXCEL.EXE
192.185.91.48:80
citycarmen.com
CyrusOne LLC
US
malicious

DNS requests

Domain
IP
Reputation
citycarmen.com
  • 192.185.91.48
whitelisted

Threats

PID
Process
Class
Message
2064
EXCEL.EXE
Potential Corporate Privacy Violation
ET POLICY PE EXE or DLL Windows file download HTTP
2064
EXCEL.EXE
A Network Trojan was detected
ET CURRENT_EVENTS Likely Evil EXE download from MSXMLHTTP non-exe extension M2
2064
EXCEL.EXE
A Network Trojan was detected
ET TROJAN JS/WSF Downloader Dec 08 2016 M4
2064
EXCEL.EXE
A Network Trojan was detected
AV POLICY EXE or DLL in HTTP Image Content Inbound - Likely Malicious
2064
EXCEL.EXE
Misc activity
ET INFO EXE - Served Attached HTTP
2064
EXCEL.EXE
Misc activity
SUSPICIOUS [PTsecurity] PE as Image Content type mismatch
No debug info
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Calculation-677482170-10162020.zip